Throughout the world, Kailasanathan (Kailasanathan 
) is a very rare male forename. The first name Kailasanathan is habitual in Southern Asia, particularly India, where it is an extremely rare masculine name. Likewise, Kailasanathan is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Kailasanathan | Norway, South Africa, Malaysia, United States, India |